Home / 12,262.58-18,388.40-3,495.44

Finding the Fourth Proportional to 12,262.58, 18,388.40 and 3,495.44

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Solution

The fourth proportional to 12,262.58, 18,388.40 and 3,495.44 is: 5,241.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,262.58 : 18,388.40 = 3,495.44 : x
  2. Step 2: Convert to fraction form
    12,262.58/18,388.40 = 3,495.44/x
  3. Step 3: Cross multiply
    12,262.58x = 18,388.40 × 3,495.44
  4. Step 4: Simplify right side
    12,262.58x = 64,275,563.82
  5. Step 5: Solve for x
    x = 64,275,563.82/12,262.58
  6. Step 6: Final answer
    x = 5,241.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.